Talulah Riley looks forward to having at least five children

Talulah Riley, the 23-year-old star of St Trinian's, surprised some of her friends when she announced last year that she was to marry Elon Musk, a divorced entrepreneur 15 years her senior. Their wonder was heightened by the fact that Musk has five children from his first marriage. The actress is, however, not discouraged.

By Richard Eden

9:50PM BST 27 Jun 2009

"They already live with us most of the time, so I'm getting used to it," she told Mandrake at the launch of Leap Anywhere, a website that promotes charity events.

"I get on with them amazingly, so I'm not daunted by it at all. I knew this would be how it would be, and it's lovely."

Indeed, Talulah, who also appeared in the Richard Curtis film The Boat That Rocked, said she planned to add to Musk's brood in Los Angeles.

"There is definitely room for more, but not just yet," she said to her fiancé's approval. "I'm still loving the early stages of the kids we've got, so my hands are full at the moment."

The actress added that she would be living "full time" in California and hoped that it would help her career. "I've got an American agent and on the film front it helps to be there," she said. "But the reason I am going is for the marriage and the family. The work opportunities are secondary."